Home / 12,126,070.20-18,189,105.30-5,748,778.20

Finding the Fourth Proportional to 12,126,070.20, 18,189,105.30 and 5,748,778.20

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Solution

The fourth proportional to 12,126,070.20, 18,189,105.30 and 5,748,778.20 is: 8,623,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,070.20 : 18,189,105.30 = 5,748,778.20 : x
  2. Step 2: Convert to fraction form
    12,126,070.20/18,189,105.30 = 5,748,778.20/x
  3. Step 3: Cross multiply
    12,126,070.20x = 18,189,105.30 × 5,748,778.20
  4. Step 4: Simplify right side
    12,126,070.20x = 104,565,132,026,144.47
  5. Step 5: Solve for x
    x = 104,565,132,026,144.47/12,126,070.20
  6. Step 6: Final answer
    x = 8,623,167.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.